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https://github.com/curl/curl.git
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131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/* <DESC>
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* Send email with IMAP
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* </DESC>
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*/
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#include <stdio.h>
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#include <string.h>
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#include <curl/curl.h>
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/* This is a simple example showing how to send mail using libcurl's IMAP
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* capabilities.
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*
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* Note that this example requires libcurl 7.30.0 or above.
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*/
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#define FROM "<sender@example.org>"
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#define TO "<addressee@example.net>"
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#define CC "<info@example.org>"
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static const char *payload_text =
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"Date: Mon, 29 Nov 2010 21:54:29 +1100\r\n"
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"To: " TO "\r\n"
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"From: " FROM "(Example User)\r\n"
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"Cc: " CC "(Another example User)\r\n"
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"Message-ID: "
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"<dcd7cb36-11db-487a-9f3a-e652a9458efd@rfcpedant.example.org>\r\n"
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"Subject: IMAP example message\r\n"
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"\r\n" /* empty line to divide headers from body, see RFC 5322 */
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"The body of the message starts here.\r\n"
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"\r\n"
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"It could be a lot of lines, could be MIME encoded, whatever.\r\n"
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"Check RFC 5322.\r\n";
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struct upload_status {
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size_t bytes_read;
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};
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static size_t payload_source(char *ptr, size_t size, size_t nmemb, void *userp)
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{
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struct upload_status *upload_ctx = (struct upload_status *)userp;
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const char *data;
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size_t room = size * nmemb;
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if((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
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return 0;
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}
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data = &payload_text[upload_ctx->bytes_read];
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if(*data) {
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size_t len = strlen(data);
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if(room < len)
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len = room;
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memcpy(ptr, data, len);
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upload_ctx->bytes_read += len;
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return len;
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}
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return 0;
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}
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int main(void)
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{
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CURL *curl;
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CURLcode res = CURLE_OK;
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curl = curl_easy_init();
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if(curl) {
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size_t filesize;
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long infilesize = LONG_MAX;
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struct upload_status upload_ctx = { 0 };
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/* Set username and password */
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curl_easy_setopt(curl, CURLOPT_USERNAME, "user");
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curl_easy_setopt(curl, CURLOPT_PASSWORD, "secret");
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/* This will create a new message in folder "Sent". */
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curl_easy_setopt(curl, CURLOPT_URL, "imap://imap.example.com/Sent");
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/* In this case, we are using a callback function to specify the data. You
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* could just use the CURLOPT_READDATA option to specify a FILE pointer to
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* read from. */
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curl_easy_setopt(curl, CURLOPT_READFUNCTION, payload_source);
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curl_easy_setopt(curl, CURLOPT_READDATA, &upload_ctx);
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curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
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filesize = strlen(payload_text);
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if(filesize <= LONG_MAX)
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infilesize = (long)filesize;
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curl_easy_setopt(curl, CURLOPT_INFILESIZE, infilesize);
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/* Perform the append */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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/* Always cleanup */
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curl_easy_cleanup(curl);
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}
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return (int)res;
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}
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